I can't make a suggestion on the cab, but the Bighorn (or similar tread design) is a great all-terrain, "do it all" tire. I used them for several years with great success. I'm running Roctanes now and am really liking those so far.
Thanks for the info. Whatever tire I do buy needs to be fairly thick as well, mesquite thorns are hell on tires. I already have a custom roof with light bar on my 570. I will look into the armor tech cabs.I've been running the Pro Comp Xtreme's and have had good luck, about 800 miles on them now with no tread wear to speak of, and hook up decent in mud. I won't go through the mud bogs with'em, but they do a good job for what we do. I have an Armor Tech cab on my '14 570, fits ok, but needs some sound deading and vents plugged up to seal off tight, but it is solid and does a good job. Btw, I have an extra Armor Tech roof that'll fit any 2010-14 midsize for sale if your interested.